Encyclopedia of 20th-century technology / 
Colin A. Hempstead, editor ; William E. Worthington, associate editor. 
 - New York :  Routledge,  2005. 
 - 2 v. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>v. 1. A-L -- v. 2. M-Z. 
<br/><br/><label>ISBN: </label>1579583865 (set : alk. paper) 1579584632 (vol.1 : alk. paper) 1579584640 (vol.2 : alk. paper) 
<br/><br/><label>LCCN: </label>2004004862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>603  / ENC 2005